/*
 ***************************************************************************************
 *  Copyright (C) 2006 EsperTech, Inc. All rights reserved.                            *
 *  http://www.espertech.com/esper                                                     *
 *  http://www.espertech.com                                                           *
 *  ---------------------------------------------------------------------------------- *
 *  The software in this package is published under the terms of the GPL license       *
 *  a copy of which has been included with this distribution in the license.txt file.  *
 ***************************************************************************************
 */
package com.espertech.esper.common.internal.compile.stage1.spec;

import com.espertech.esper.common.internal.epl.expression.core.ExprNode;

import java.util.List;

/**
 * Filter definition in an un-validated and un-resolved form.
 * <p>
 * Event type and expression nodes in this filter specification are not yet validated, optimized for resolved
 * against actual streams.
 */
public class FilterSpecRaw {
    private String eventTypeName;
    private List<ExprNode> filterExpressions;
    private PropertyEvalSpec optionalPropertyEvalSpec;

    /**
     * Ctor.
     *
     * @param eventTypeName            is the name of the event type
     * @param filterExpressions        is a list of expression nodes representing individual filter expressions
     * @param optionalPropertyEvalSpec specification for a property select
     */
    public FilterSpecRaw(String eventTypeName, List<ExprNode> filterExpressions, PropertyEvalSpec optionalPropertyEvalSpec) {
        this.eventTypeName = eventTypeName;
        this.filterExpressions = filterExpressions;
        this.optionalPropertyEvalSpec = optionalPropertyEvalSpec;
    }

    /**
     * Default ctor.
     */
    public FilterSpecRaw() {
    }

    /**
     * Returns the event type name of the events we are looking for.
     *
     * @return event name
     */
    public String getEventTypeName() {
        return eventTypeName;
    }

    /**
     * Returns the list of filter expressions.
     *
     * @return filter expression list
     */
    public List<ExprNode> getFilterExpressions() {
        return filterExpressions;
    }

    /**
     * Returns the property evaluation specification, if any, or null if no properties evaluated.
     *
     * @return property eval spec
     */
    public PropertyEvalSpec getOptionalPropertyEvalSpec() {
        return optionalPropertyEvalSpec;
    }
}
